linux/drivers/media/platform/vsp1/vsp1_hgo.h
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   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * vsp1_hgo.h  --  R-Car VSP1 Histogram Generator 1D
   4 *
   5 * Copyright (C) 2016 Renesas Electronics Corporation
   6 *
   7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   8 */
   9#ifndef __VSP1_HGO_H__
  10#define __VSP1_HGO_H__
  11
  12#include <media/media-entity.h>
  13#include <media/v4l2-ctrls.h>
  14#include <media/v4l2-subdev.h>
  15
  16#include "vsp1_histo.h"
  17
  18struct vsp1_device;
  19
  20struct vsp1_hgo {
  21        struct vsp1_histogram histo;
  22
  23        struct {
  24                struct v4l2_ctrl_handler handler;
  25                struct v4l2_ctrl *max_rgb;
  26                struct v4l2_ctrl *num_bins;
  27        } ctrls;
  28
  29        bool max_rgb;
  30        unsigned int num_bins;
  31};
  32
  33static inline struct vsp1_hgo *to_hgo(struct v4l2_subdev *subdev)
  34{
  35        return container_of(subdev, struct vsp1_hgo, histo.entity.subdev);
  36}
  37
  38struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1);
  39void vsp1_hgo_frame_end(struct vsp1_entity *hgo);
  40
  41#endif /* __VSP1_HGO_H__ */
  42